# STC SA3215SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK671 consisting of Century I auto-pilot with optional omni tracker.
- Applied: May 18, 1977
- Status date: December 7, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/ba/12/ba125088a78c8dea065715332d3d08c0c8160400a386d6c30756b937fa516c04
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6E18A0AC6341F44985256CC2000A955E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3215SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 84321552-0 This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Part 3 of the CIV11 Alr Regulations.

Original Product -Type Certificate Number: 3A15 Make:

Beech Model:

V35B Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK671 consisting of a Century I Autopilot:with Optional Omni Tracker according to Bulletin No. 800, dated 5-17-77 and Master Drawing List No. 87A928 dated 5-17-77, or later FAA approved reviaion.

Limitations and Conditions: Ale0 el1g1ble on Beach Model V35B When Mod1f1ed In Accordance with STC SA1035WE (Turbocharged Engine). Eligible on 28 Volt aitcraft Only.

P1lot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 688554, dated 7-7-77 1e required.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 5-18-77 Jule missed: 12-7-83 Rev1ø1on 1 Date of Issuance: . 7-7-77 Sale unended:

FEDERAL AVTATION By primp the desinistrator unasiese Don P. Watson (Signature) OMINISTRATO Manager, Aircraft Certification Division Southwest Region (Title)

47.

FAA FoRt 8110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and streel) from (Name of grantor) (Print or type) (Address of grantor) I Number and sireel ;

(City, Stake, and ZIP code, Extent of Authority (if licensing agreement):.

Signature of grantor (In ink):

+ 11+ r. 0^. 1090-962-170

## Every issue (1)

- December 7, 1983: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ba/12/ba125088a78c8dea065715332d3d08c0c8160400a386d6c30756b937fa516c04)

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